By Keith Dugas | Huntsville, AL, USA

By Hassan Dadashi . Arani | Esfahan.Iran

By Patricio Leon | Santiago, Chile

By Amrinderjit Singh | Mohali, Punjab

By Mohamed Mohamed | Tripoli,Libya

By Barry Medlin | Reed Bingham State Park, GA

By Peter Mayer | Sarasota, FL

By Victoria Bryhan | Finley National Wildlife Refuge, Corvallis, Oregon

By Osama Fathi | White Desert Egypt

By Hassan Dadashi . Arani | Esfahan. Iran

By Chantal Torchia | Old Bridge, NJ

By GREG REDFERN | Cruise Ship Azamara Onward In The Indian Ocean

By Hassan Dadashi . Arani | Esfahan. Iran

By Robert Greenberg | Rockville, MD

By Michael Flynn | Pine Mountain Club,California,USA

By Patricio Leon | Santiago, Chile